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Re: [Xen-devel] [PATCH v3 07/13] iommu: track reserved ranges using a rangeset

On Tue, Jul 17, 2018 at 02:38:10PM +0100, Paul Durrant wrote:
> Ranges that should be considered reserved in the IOMMU are not necessarily
> limited to RMRRs. If iommu_inclusive_mapping is set then any frame number
> falling within an E820 reserved region should also be considered as
> reserved in the IOMMU.
> This patch adds a rangeset to the domain_iommu structure that is then used
> to track all reserved ranges. This will be needed by a subsequent patch
> to test whether it is safe to modify a particular IOMMU entry.
> Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
> Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxxx>

Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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